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Any Cisco router you have around you say Cisco 1000, 1600, 2500, 2600, And 3600 Series Routers. Any cisco router you have the below configurations will be able to workout. These configurations will help you connect your LAN onto internet, Provide basic security to your Local Area Network (LAN) so that no other network connects if not defined in the configs. I will go straight to what I have around me to have this configuration done successfully.

To answer a recent question from a member, I decided to address the basics of Cisco router configuration in a three-part series. In part 1 of this series, "Router Configuration 101: Setting up the router," I walked you through the process of connecting a new Cisco router, configuring it through the console, and familiarizing yourself with the different IOS administrative modes the router offers. In part 2, "Router Configuration 101: Configuring and securing the router," we secured the router with passwords, applied IP addresses to interfaces, and enabled those interfaces for use.

One of the interesting things about GNS3 is that you can connect your topology to the real world. For some of your CCNA and CCNP studies you may need to run an actual Web browser or Cisco’s Security Device Manager (SDM) among others. Just connect your topology to your real PC.

You could even connect to virtual machines running on your computer inside VMware or Virtual